Daily How Much

Each Excedrin Extra Strength caplet has 65 mg of caffeine; a standard 2-caplet dose delivers 130 mg.

A typical doppio lands around 120–150 mg of caffeine, though café pours can swing wider.

A standard 8-ounce mug of drip coffee lands near 96 mg of caffeine, with real-life cups often ranging from 60–200+ mg.

An 8-oz mug of Earl Grey usually lands around 40–70 mg of caffeine, shaped by how much leaf you use and how long you steep it.

A Dunkin small iced coffee lands around 198 mg of caffeine, with normal brew-to-brew swings.

A medium decaf brewed coffee from Dunkin tends to sit near 7–18 mg of caffeine, with larger cups landing closer to the top of that range.

A standard Dunkin medium iced coffee (24 oz) contains 297 mg of caffeine.

A medium Dunkin iced coffee has about 297 mg of caffeine, with the small at 198 mg and the large at 396 mg.

A 32-oz large iced coffee from Dunkin is listed at 396 mg of caffeine before espresso shots.

A standard 12-oz can of Dr Pepper lists 41 mg of caffeine, while caffeine-free versions list 0 mg.